Musical instrument digital interface controller keyboard with an effects roller and a hinged touch screen tablet



FIG. 1 is a top plan view of a musical instrument digital interface controller keyboard with an effects roller and hinged touch screen tablet in an opened state showing my new design;

FIG. 2 is a left side view thereof, the right side being a mirror image;

FIG. 3 is a left side view thereof in a closed state;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is a right side cross sectional view thereof taken along line 6-6 of FIG. 4.

(The bottom view thereof forms no part of the claimed design). 

CLAIM The ornamental design for a musical instrument digital interface controller keyboard with an effects roller and a hinged touch screen tablet, as shown and described. 